Syfy is making good on its promise to return to science fiction television, and this week the channel is debuting Dark Matter, a show about six people who wake on a spaceship with no memory, but a destination, loads of weapons, and an android. Plus, peek at the season finales of Game of Thrones and iZombie.

Tonight

Uncle Grandpa (6 PM, Cartoon Network)

Pizza Steve makes up a preposterous lie that lands the gang in big trouble.

The Whispers (10 PM, ABC)

While John Doe continues on his mysterious mission, Claire attempts to hold back his sketch from the other bureau offices while she investigates on her own whether he may truly be her husband Sean, who had supposedly perished in a plane crash. Lena is aware and not too pleased that Wes has been speaking with Claire about a case, and Drill continues playing his dangerous game with Minx, Henry and Harper.

StarTalk (11 PM, National Geographic)

Neil deGrasse Tyson interviews Twitter co-founder Biz Stone and discusses the impact of social media on society with comedian co-host Eugene Mirman and guests Alondra Nelson and Clive Thompson.

Tuesday

Uncle Grandpa (6 PM, Cartoon Network)

Uncle Grandpa helps a young girl learn unconventional survival skills that help rescue her endangered camping troop.

iZombie (9 PM, The CW)

Liv and Clive discover new evidence in the Max Rager case, which means they’re paying another visit to Steven Weber at Max Rager HQ. Blaine makes Liv an offer she can’t refuse, which sounds...ominous — especially with Major in some deep (frozen) trouble. So who will survive the season finale?

Stitchers (9 PM, ABC Family)

Our new favorite “so bad it’s fascinating” show dabbles in drugs for its second episode. A new drug results in a young woman’s overdose, and the Stitchers team finds itself following the same line of investigation as Detective Fisher.

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Wednesday

Uncle Grandpa (6 PM, Cartoon Network)

In this wild-western episode, Mr. Gus repeatedly runs afoul of a crooked mayor (Pizza Steve) while winning the hears of the townsfolk.

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Thursday

Uncle Grandpa (6 PM, Cartoon Network)

Weird Al Yankovic guest stars on Thursday’s episode:

When the RV’s talking computer system malfunctions, Uncle Grandpa and the gang must figure out a way to stop the rogue computer and restore life in the RV back to normal.

Beauty and the Beast (8 PM, The CW)

Oh hi, this show is still on the air? And it got a third season? Okay then.

With the happy couple seeming to be enjoying an ordinary life, Vincent (Jay Ryan) thinks the timing might finally be right to pop the question until Cat (Kristin Kreuk) stumbles on an extraordinary case with the FBI involving somebody who goes on a superhuman rampage. Though reluctant to engage with the case for fear of losing the normality he has found, Vincent finds himself with no other options when Cat is injured after discovering that someone is drugging innocent victims and transforming them into super-humans. Meanwhile, Tess (Nina Lisandrello) accuses JT (Austin Basis) of stalling his recovery as he tries to understand how he’s still alive.

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Aquarius (9 PM, NBC)

Hodiak (David Duchovny) investigates Art Gladner’s (Shaun Duke) murder through his late wife Lucille (Clare Carey, “Crash,” “Coach”), who runs a burlesque club. Manson (Gethin Anthony) hides Emma (Emma Dumont) but Hodiak, under pressure from Grace (Michaela McManus), ultimately finds her and brings her home.

Wayward Pines (9 PM, Fox)

Ethan ventures outside of Wayward Pines and is shocked by what he discovers. Meanwhile, Theresa reports to her new realty job and meets her first client who is as confused as Theresa about the eerie town and Ben goes through orientation and learns the truth about Wayward Pines from his teacher Megan Fisher (guest star Hope Davis).

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Hannibal (10 PM, NBC)

The season premiere was titled “Antipasto,” so it’s fitting that this week’s is “Primavera”:

With his wounds now healed, Will Graham (Hugh Dancy) heads to Europe eight months after the horrific event that almost took his life, in search of closure with Hannibal Lecter (Mads Mikkelsen). Following a hunch, Will arrives in Palermo, Italy to find a disturbing gift. Will’s arrival draws suspicion from Inspector Rinaldo Pazzi (guest star Fortunato Cerlino), who twenty years earlier pursued a Florentine killer known as “Il Mostro” and, after reading Will’s file, believes that Hannibal Lecter and “Il Mostro” are one and the same. Pazzi tries to enlist Will’s help in catching Hannibal, but Will warns that he is unsure of where his own allegiance lies.

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Olympus (11 PM, Syfy)

Oracle realizes the truth about the Lexicon, while Hero begins the feats needed to fulfill his destiny.

Between (Streaming as of 11:30 PM, Netflix)

This week’s episode is titled “Love Hurts.”

Friday

Uncle Grandpa (6 PM, Cartoon Network)

After a full week of Uncle Grandpa, we reach the season finale:

When Uncle Grandpa and Pizza Steve cause a ruckus at the movies, Mr. Gus is forced to play the hero in order to save the day.

Defiance (8 PM, Syfy)

The third season of Syfy’s show about aliens and humans coexisting in a radically altered St. Louis starts this week — and the various peoples of Earth will face a new race, one long thought extinct.

Phineas & Ferb (9 PM, Disney XD)

The boys’ summer vacation is finally over. This is the last special, bringing Phineas & Ferb to an end:

The summer season is coming to a close and it’s Candace’s last chance to bust her brothers. She is quickly foiled, but is presented with an opportunity to redo the day when she sets off Dr. Doofenshmirtz’s Do-Over-Inator, which results in other consequences like rips in the space-time continuum, the shortening of days and the disappearance of her brothers.

Dark Matter (10 PM, Syfy)

Syfy’s newest show, based on Joseph Mallozzi and Paul Mullie’s comic (but always intended for television), gives us a deep space mystery. Here’s a description of the show from IMDB:

The six-person crew of a derelict spaceship awakens from stasis in the farthest reaches of space. Their memories wiped clean, they have no recollection of who they are or how they got on board. The only clue to their identities is a cargo bay full of weaponry and a destination: a remote mining colony that is about to become a war zone. With no idea whose side they are on, they face a deadly decision. Will these amnesiacs turn their backs on history, or will their pasts catch up with them?

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Saturday

Orphan Black (9 PM, BBC America)

We’re coming up on the season’s final episode, with Mrs. S, Sarah, and Felix headed to London to track down the Castor original.

Jonathan Strange & Mr. Norrell (10 PM, BBC America)

The adaptation of Susanna Clarke’s alternate magical history novel has already started airing in the UK, and this week it finally comes to the US. (And you should definitely watch!) Magic has been gone from England for 300 years — until the Friends of English Magic meet Mr. Norrell, a practical magician. But a great deal will happen between Gilbert Norrell and Jonathan Strange before magic can truly return to England.

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Sunday

Game of Thrones (9 PM, HBO)

We have wandered through the long night of Season 5, and now we reach the season finale:

Stannis marches. Dany is surrounded by strangers. Cersei (Lena Headey) seeks forgiveness. Jon is challenged.

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Golan the Insatiable (9:30 PM, Fox)

When Dylan is caught wetting the bed, Golan mocks her relentlessly to get in with cool kids. Meanwhile, Alexis helps her boyfriend, Keith, throw the sickest seventeenth birthday party the local news has ever seen

Halt and Catch Fire (10 PM, AMC)

The Clarks receive a surprising invitation as Bosworth tries to reconnect with his former life. Meanwhile, a problem from within Mutiny threatens its survival.

Penny Dreadful (10 PM, Showtime)

Vanessa and Ethan flee to the Cut-Wife’s cottage on the lonely moors where they draw closer together, until a figure from her dark past resurfaces. Meanwhile, Lyle and Frankenstein uncover disturbing information from the Verbis Diablo relics; and its learned that Lily isn’t what she appears to be.

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Salem (10 PM, WGN)

As the Countess and her son move against two of John Alden’s valued allies, Mary suffers under the yoke of Puritan oppression stemming from an alliance between the Marburgs and another of Mary’s powerful enemies in Salem. But even as she seems to be at her most hopeless, Mary tries to take advantage of a widening schism between mother and son. As John and Cotton proceed with their monumental and unfamiliar task, each must process new information and gather strength to aid them in what lies ahead. Meanwhile, wracked with guilt and sorrow, a mournful Isaac pays a surprise visit to an already somber town gathering, Anne Hale finds the fate of many may rest in her novice – but powerful – Witch’s hands, and John and Cotton get the first glimpses of the enemy they are facing.